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Operating Procedures
Time
This column is the date-time stamp indicating exactly when
the alarm occurred.
Check / Uncheck All
This button is used for selecting and deselecting all listed
alarms.
Drop Down Menu
This is used to either list all the alarms, both active and
non-active, or only active alarms (the default selection).
Figure 16. Alarm history
The alarm history screen displays the history of alarms
recorded by the primary microprocessor (See
28).
History alarms list can be sorted by any column in
ascending or descending order by tapping corresponding
column header. Triangle that appears next to the header
indicates which column is being sorted and direction of
sorting.
By default sorting is applied to Alarm Time column in
ascending order. Triangle is pointing upwards. Ascending
order for Alarm Time column means that earlier records
appear on the list first. For all other columns alphabetical
sorting method applies.
28
Reset PLC
This button is – used to reset 'Active' alarms in the PLC, so
they could be further acknowledged / reset on the HMI.
Only alarms which alarm condition is false can be reset in
the PLC otherwise Reset PLC will have no effect on it.
Alarm History
On the active alarms screen, pressing the alarm history
button displays the alarm history screen.
Duration
Figure 16, p.
Allows the selection of the time period for which the alarm
history is displayed. Once the selection is made from the
drop-down menu, pressing the REFRESH button updates
the list and then 'From' and 'To' timestamps get updated
accordingly.
Time
This is the time stamp that is displayed when the alarm
status changes.
Status
This is the alarm event that logged alarm record. Only
'Active' alarms (Event Type = 'Triggered') are recorded.
Status description – the same as 'Status' for Active alarms.
ARTC-SVX006A-EN
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